Perl is an object oriented language. Perl has packages(class) that could be instanciated and used. At first, we need to decide the file namefor the package ans the perl class name carries the file name. For example, a package Student should be in the file Student.pm. If it shouldbe called Bright::Student, it should be saved asBright/Student.pm, ie Student.pm in a directory named Bright. There is no formal relationship between directory name and modules. That is just grouping for convenience.

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With Net:FTP for uplink and downlink file transfers, we may have problems with obtaining the same statistics that are provided by ftp when you perform a manual transfer, i.e file size, transfer duration and transfer speed in KBs. The easiest solution is to print the $ftp->message; It contain some message. For example,